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// 
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using System.Threading.Tasks;
using Duplicati.Library.Main.Operation.Common;

namespace Duplicati.Library.Main.Operation.Backup;

internal static class RecreateMissingIndexFiles
{
	/// <summary>
	/// The tag used for log messages
	/// </summary>
	private static readonly string LOGTAG = Logging.Log.LogTagFromType(typeof(RecreateMissingIndexFiles));

	public static async Task Run(BackupDatabase database, IBackendManager backendManager, Options options, ITaskReader taskreader)
	{
		if (options.IndexfilePolicy != Options.IndexFileStrategy.None)
		{
			foreach (var blockfile in await database.GetMissingIndexFilesAsync().ConfigureAwait(false))
			{
				if (!await taskreader.ProgressRendevouz().ConfigureAwait(false))
					return;

				Logging.Log.WriteInformationMessage(LOGTAG, "RecreateMissingIndexFile", "Re-creating missing index file for {0}", blockfile);
				var w = await Common.IndexVolumeCreator.CreateIndexVolume(blockfile, options, database).ConfigureAwait(false);

				if (!await taskreader.ProgressRendevouz().ConfigureAwait(false))
					return;

				await database.UpdateRemoteVolumeAsync(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null).ConfigureAwait(false);
				await database.CommitTransactionAsync("RecreateMissingIndexFile").ConfigureAwait(false);
				await backendManager.PutAsync(w, null, null, false, () => database.FlushBackendMessagesAndCommitAsync(backendManager), taskreader.ProgressToken).ConfigureAwait(false);
			}
		}
	}

}

